I have never seen this before. The two jets that hit the World Trade Centeractually crossed paths enroute.
Click on the arrows in the right column to the left of each flight. The one
that shows them all in action is most interesting. It reveals how well the
plan had been developed, barring departure delays. I wonder if the original
plan was to have them all strike their targets at the same time?
And they did it all with U.S. aircraft, U.S. flight schools, and a few box cutters
Thanks Ralph B